<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    账号: <input type="text"><br>
    密码: <input type="text"><br>
    <button>login</button>
    <div>再次写点东西</div>
    <div>第二次写点东西</div>
    <div>第一次写点东西</div>
    <div>写写东西</div>
    <div>测试一下是否不用代码也会有冲突</div>
</body>
</html>